Unbalanced tool holders create excessive heat in the spindle bearings, which, along with the vibration, can cause premature spindle failure.
Imported from the CTE archive to seed discussion on MFGAxis.
Originally published on CTE: 2014-07-15
CTE source: https://ctemag.com/articles/balanced-equations-toolholder-vibration-makes-miserable-machining-balancing-can-help/
Legacy path: /articles/balanced-equations-toolholder-vibration-makes-miserable-machining-balancing-can-help